About BANDO KANJI
About 日亜化学工業
About light emitting diode
About phosphor
About yttrium aluminum garnet
About emission spectrum
About light source
About energy conversion efficiency
About luminous efficacy
About white light emitting diode
About light emitting diode
About 白色LED
About yttrium aluminium garnet
About YAG蛍光体
About 演色性
About Light emitting devices
About Light sources,lighting apparatus
About 世界
About 固体発光
About LED照明
About 発展
About LED
About 蛍光体